removing extra bold font-weight (800) from style rules/typeface files

cms/static/sass/elements/_typography.scss

@@ -5,7 +5,7 @@
 
 // weights
 %t-ultrastrong {
- font-weight: 800;
+ font-weight: 700;
 }
 %t-strong {
  font-weight: 600;

common/lib/xmodule/xmodule/css/video/display.scss

@@ -219,7 +219,7 @@ div.video {
         @extend %ui-fake-link;
         @include transition(none);
         display: block;
-        font-weight: 800;
+        font-weight: 700;
         line-height: 46px;
         margin: 0;
         padding: 0 0 0 15px;

lms/static/sass/elements/_typography.scss

@@ -5,7 +5,7 @@
 
 // weights
 %t-ultrastrong {
- font-weight: 800;
+ font-weight: 700;
 }
 %t-strong {
  font-weight: 600;

lms/static/sass/multicourse/_course_about.scss

@@ -61,7 +61,7 @@
 
             a {
               color: $lighter-base-font-color;
-              font: italic 800 0.6em/1em $sans-serif;
+              font: italic 700 0.6em/1em $sans-serif;
               letter-spacing: 0px;
               margin-left: ($baseline*0.75);
               text-shadow: 0 1px rgba(255,255,255, 0.6);
@@ -79,7 +79,7 @@
 
             a {
               color: $lighter-base-font-color;
-              font: italic 800 1em/1em $sans-serif;
+              font: italic 700 1em/1em $sans-serif;
               letter-spacing: 0px;
               text-shadow: 0 1px rgba(255,255,255, 0.6);
               text-transform: none;
@@ -443,7 +443,7 @@
         color: $base-font-color;
         font-family: $sans-serif;
         font-style: italic;
-        font-weight: 800;
+        font-weight: 700;
         display: inline-block;
         letter-spacing: 0px;
         margin-right: ($baseline*0.75);

lms/static/sass/multicourse/_courses.scss

@@ -183,7 +183,7 @@ $facet-background-color: #007db8;
           color: $base-font-color;
           font-family: $sans-serif;
           font-style: italic;
-          font-weight: 800;
+          font-weight: 700;
           letter-spacing: 0px;
           text-transform: none;
         }

lms/static/sass/multicourse/_home.scss

@@ -342,7 +342,7 @@ $course-search-input-height: ($button-size);
 
           > span {
             color: $base-font-color;
-            font: 800 italic 1.4em/1.4em $sans-serif;
+            font: 700 italic 1.4em/1.4em $sans-serif;
             text-shadow: 0 1px rgba(255,255,255, 0.6);
             @include transition(all 0.15s ease-in-out 0s);